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Olson EG, Dittoe DK, Micciche AC, Stock DA, Rubinelli PM, Rothrock MJ, Ricke SC. Microbiome analyses of poultry feeds: Part I. Comparison of five different DNA extraction methods. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2024; 59:378-389. [PMID: 38779902 DOI: 10.1080/03601234.2024.2353002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 05/03/2024] [Indexed: 05/25/2024]
Abstract
Given extensive variability in feed composition, the absence of a dedicated DNA extraction kit for poultry feed underscores the need for an optimized extraction technique for reliable downstream sequencing analyses. This study investigates the impact of five DNA extraction techniques: Qiagen QIAamp DNA Stool Mini Kit (Qiagen), modified Qiagen with Lysing Matrix B (MQ), modified Qiagen with celite purification (MQC), polyethylene glycol (PEG), and 1-Day Direct. Genomic DNA amplification and Illumina MiSeq sequencing were conducted. QIIME2-2021.4 facilitated data analysis, revealing significant diversity and compositional differences influenced by extraction methods. Qiagen exhibited lower evenness and richness compared to other methods. 1-Day Direct and PEG enhanced bacterial diversities by employing bead beating and lysozyme. Despite similar taxonomic resolution, the Qiagen kit provides a rapid, consistent method for assessing poultry feed microbiomes. Modified techniques (MQ and MQC) improve DNA purification, reducing bias in commercial poultry feed samples. PEG and 1-Day Direct methods were effective but may require standardization. Overall, this study underscores the importance of optimized extraction techniques in poultry feed analysis, with potential implications for future standardization of effective methods.
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Affiliation(s)
- E G Olson
- Meat Science and Animal Biologics Discovery Program, Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - D K Dittoe
- Department of Animal Science, University of Wyoming, Laramie, Wyoming, USA
| | - A C Micciche
- Bio-Tech Pharmacal Inc, Fayetteville, Arkansas, USA
| | - D A Stock
- Department of Biology, Stetson University, DeLand, Florida, USA
| | - P M Rubinelli
- Center for Food Safety, Department of Food Science, University of Arkansas, Fayetteville, Arkansas, USA
| | - M J Rothrock
- United States Department of Agriculture, Agricultural Research Service, Athens, Georgia, USA
| | - S C Ricke
- Meat Science and Animal Biologics Discovery Program, Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, Wisconsin, USA
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Evaluation of the different methods to detect Salmonella in poultry feces samples. Arch Microbiol 2022; 204:269. [PMID: 35441892 DOI: 10.1007/s00203-022-02840-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 03/12/2022] [Accepted: 03/13/2022] [Indexed: 11/02/2022]
Abstract
Salmonella is one of the most common causes of foodborne outbreaks and infection worldwide. The gold-standard detection method of Salmonella is cultivation. There is a need to investigate rapid and accurate processes with time-consuming cultivation. The study evaluated different approaches to detect Salmonella in poultry feces samples. Poultry farm feces samples from 21 cities in Iran were collected from January 2016 to December 2019. Microbiological cultures, serological assays, and multiplex PCR (m-PCR) were used to detect and characterize Salmonella spp. isolates. Serological assays and m-PCR were used to determine the serogroups A, B, C1, C2, D1, E, H, and FliC. The m-PCR was used to detect seven Salmonella serovars, and a Chi-square test was performed to compare the discriminatory power of the methods. Of 2300 poultry feces samples, 173 (7.5%) and 166 (7.2%) samples were detected as Salmonella spp. by cultivation and m-PCR, respectively. The sensitivity of the molecular method was equal to cultivation at 0.96 (CI = 95%). Assessment of H antigenic subgroups showed the same for both m-PCR and serological tests. Therefore, the matching rate of the two methods for detecting all H antigenic subgroups was 100%. Thus, the relationship between the results obtained from both methods was significant in the contingency table test (P < 0.01). The PCR-based approach confirmed the detection of Salmonella in a shorter period (24-36 h) compared to the conventional microbiological approach (3-8 days).
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Olson EG, Dittoe DK, Jendza JA, Stock DA, Ricke SC. Application of Microbial Analyses to Feeds and Potential Implications for Poultry Nutrition. Poult Sci 2022; 101:101789. [PMID: 35346494 PMCID: PMC9079344 DOI: 10.1016/j.psj.2022.101789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 02/05/2022] [Indexed: 11/16/2022] Open
Affiliation(s)
- Elena G Olson
- Meat Science and Animal Biologics Discovery Program, Department of Animal and Dairy Sciences, University of Wisconsin, Madison, WI 53706, USA
| | - Dana K Dittoe
- Meat Science and Animal Biologics Discovery Program, Department of Animal and Dairy Sciences, University of Wisconsin, Madison, WI 53706, USA
| | - Joshua A Jendza
- BASF Corporation, 100 Park Avenue, Florham Park, NJ 07932, USA
| | - David A Stock
- Biology Department, Stetson University, Deland, FL 32723, USA
| | - Steven C Ricke
- Meat Science and Animal Biologics Discovery Program, Department of Animal and Dairy Sciences, University of Wisconsin, Madison, WI 53706, USA.
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Ricke SC, Dittoe DK, Richardson KE. Formic Acid as an Antimicrobial for Poultry Production: A Review. Front Vet Sci 2020; 7:563. [PMID: 33088825 PMCID: PMC7494846 DOI: 10.3389/fvets.2020.00563] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 07/15/2020] [Indexed: 02/06/2023] Open
Abstract
Organic acids continue to receive considerable attention as feed additives for animal production. Most of the emphasis to date has focused on food safety aspects, particularly on lowering the incidence of foodborne pathogens in poultry and other livestock. Several organic acids are currently either being examined or are already being implemented in commercial settings. Among the several organic acids that have been studied extensively, is formic acid. Formic acid has been added to poultry diets as a means to limit Salmonella spp. and other foodborne pathogens both in the feed and potentially in the gastrointestinal tract once consumed. As more becomes known about the efficacy and impact formic acid has on both the host and foodborne pathogens, it is clear that the presence of formic acid can trigger certain pathways in Salmonella spp. This response may become more complex when formic acid enters the gastrointestinal tract and interacts not only with Salmonella spp. that has colonized the gastrointestinal tract but the indigenous microbial community as well. This review will cover current findings and prospects for further research on the poultry microbiome and feeds treated with formic acid.
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Affiliation(s)
- Steven C. Ricke
- Department of Food Science, Center of Food Safety, University of Arkansas, Fayetteville, AR, United States
| | - Dana K. Dittoe
- Department of Food Science, Center of Food Safety, University of Arkansas, Fayetteville, AR, United States
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Zhuang L, Gong J, Ji Y, Tian P, Kong F, Bai H, Gu N, Zhang Y. Lateral flow fluorescent immunoassay based on isothermal amplification for rapid quantitative detection of Salmonella spp. Analyst 2020; 145:2367-2377. [PMID: 32031182 DOI: 10.1039/c9an02011j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Salmonella spp. are zoonotic pathogens of substantial public health concern. To enable detection in the field or under instrument-free conditions, we developed a rapid and robust lateral flow fluorescent immunoassay based on strand exchange amplification (SEA-LFIA) for the quantitative detection of Salmonella spp. As far as we know, this work is the first report regarding the use of Bst DNA polymerase-assisted SEA for fluorescence sensing to detect Salmonella spp. The SEA method was further confirmed by enzymatic digestion and Sanger dideoxy sequencing. The specificity of SEA-LFIA assay was verified by 89 Salmonella strains (18 Salmonella reference strains and 71 clinical isolates) and 15 non-Salmonella reference strains (different genera). The sensitivity of SEA-LFIA assay was 6 × 100 CFU mL-1 of Salmonella pure culture or 3 × 104 CFU 25 g-1 of artificially spiked raw chicken meat. Using this assay, it was found that 37 (16%) of the 236 samples collected were positive, which was consistent with the results of conventional PCR. The cutoff value is 15 and SEA-LFIA assay only takes ∼30 min without high equipment and reagent cost. In addition, the proposed strategy can be easily extended by redesigning the corresponding amplification primers to detect target analytes. In conclusion, the optimized SEA-LFIA assay is an efficient and specific method for the detection of Salmonella spp., and can potentially serve as a new on-site diagnostic tool in life sciences.
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Affiliation(s)
- Linlin Zhuang
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering and Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210096, P. R. China.
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Ricke SC, Kim SA, Shi Z, Park SH. Molecular-based identification and detection of Salmonella in food production systems: current perspectives. J Appl Microbiol 2018; 125:313-327. [PMID: 29675864 DOI: 10.1111/jam.13888] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Revised: 04/03/2018] [Accepted: 04/10/2018] [Indexed: 12/25/2022]
Abstract
Salmonella remains a prominent cause of foodborne illnesses and can originate from a wide range of food products. Given the continued presence of pathogenic Salmonella in food production systems, there is a consistent need to improve identification and detection methods that can identify this pathogen at all stages in food systems. Methods for subtyping have evolved over the years, and the introduction of whole genome sequencing and advancements in PCR technologies have greatly improved the resolution for differentiating strains within a particular serovar. This, in turn, has led to the continued improvement in Salmonella detection technologies for utilization in food production systems. In this review, the focus will be on recent advancements in these technologies, as well as potential issues associated with the application of these tools in food production. In addition, the recent and emerging research developments on Salmonella detection and identification methodologies and their potential application in food production systems will be discussed.
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Affiliation(s)
- S C Ricke
- Department of Food Science, Center for Food Safety, University of Arkansas, Fayetteville, AR, USA
| | - S A Kim
- Department of Food Science, Center for Food Safety, University of Arkansas, Fayetteville, AR, USA
| | - Z Shi
- Department of Food Science, Center for Food Safety, University of Arkansas, Fayetteville, AR, USA
| | - S H Park
- Department of Food Science, Center for Food Safety, University of Arkansas, Fayetteville, AR, USA
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Yang Q, Domesle KJ, Ge B. Loop-Mediated Isothermal Amplification for Salmonella Detection in Food and Feed: Current Applications and Future Directions. Foodborne Pathog Dis 2018; 15:309-331. [PMID: 29902082 PMCID: PMC6004089 DOI: 10.1089/fpd.2018.2445] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Loop-mediated isothermal amplification (LAMP) has become a powerful alternative to polymerase chain reaction (PCR) for pathogen detection in clinical specimens and food matrices. Nontyphoidal Salmonella is a zoonotic pathogen of significant food and feed safety concern worldwide. The first study employing LAMP for the rapid detection of Salmonella was reported in 2005, 5 years after the invention of the LAMP technology in Japan. This review provides an overview of international efforts in the past decade on the development and application of Salmonella LAMP assays in a wide array of food and feed matrices. Recent progress in assay design, platform development, commercial application, and method validation is reviewed. Future perspectives toward more practical and wider applications of Salmonella LAMP assays in food and feed testing are discussed.
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Affiliation(s)
- Qianru Yang
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine , U.S. Food and Drug Administration, Laurel, Maryland
| | - Kelly J Domesle
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine , U.S. Food and Drug Administration, Laurel, Maryland
| | - Beilei Ge
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine , U.S. Food and Drug Administration, Laurel, Maryland
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Wang M, Yang J, Gai Z, Huo S, Zhu J, Li J, Wang R, Xing S, Shi G, Shi F, Zhang L. Comparison between digital PCR and real-time PCR in detection of Salmonella typhimurium in milk. Int J Food Microbiol 2018; 266:251-256. [DOI: 10.1016/j.ijfoodmicro.2017.12.011] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Revised: 11/29/2017] [Accepted: 12/11/2017] [Indexed: 02/07/2023]
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Domesle KJ, Yang Q, Hammack TS, Ge B. Validation of a Salmonella loop-mediated isothermal amplification assay in animal food. Int J Food Microbiol 2017; 264:63-76. [PMID: 29121500 DOI: 10.1016/j.ijfoodmicro.2017.10.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 10/12/2017] [Accepted: 10/16/2017] [Indexed: 12/18/2022]
Abstract
Loop-mediated isothermal amplification (LAMP) has emerged as a promising alternative to PCR for pathogen detection in food testing and clinical diagnostics. This study aimed to validate a Salmonella LAMP method run on both turbidimetry (LAMP I) and fluorescence (LAMP II) platforms in representative animal food commodities. The U.S. Food and Drug Administration (FDA)'s culture-based Bacteriological Analytical Manual (BAM) method was used as the reference method and a real-time quantitative PCR (qPCR) assay was also performed. The method comparison study followed the FDA's microbiological methods validation guidelines, which align well with those from the AOAC International and ISO. Both LAMP assays were 100% specific among 300 strains (247 Salmonella of 185 serovars and 53 non-Salmonella) tested. The detection limits ranged from 1.3 to 28 cells for six Salmonella strains of various serovars. Six commodities consisting of four animal feed items (cattle feed, chicken feed, horse feed, and swine feed) and two pet food items (dry cat food and dry dog food) all yielded satisfactory results. Compared to the BAM method, the relative levels of detection (RLODs) for LAMP I ranged from 0.317 to 1 with a combined value of 0.610, while those for LAMP II ranged from 0.394 to 1.152 with a combined value of 0.783, which all fell within the acceptability limit (2.5) for an unpaired study. This also suggests that LAMP was more sensitive than the BAM method at detecting low-level Salmonella contamination in animal food and results were available 3days sooner. The performance of LAMP on both platforms was comparable to that of qPCR but notably faster, particularly LAMP II. Given the importance of Salmonella in animal food safety, the LAMP assays validated in this study holds great promise as a rapid, reliable, and robust method for routine screening of Salmonella in these commodities.
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Affiliation(s)
- Kelly J Domesle
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine, U.S. Food and Drug Administration, 8401 Muirkirk Road, Laurel, MD 20708, USA
| | - Qianru Yang
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine, U.S. Food and Drug Administration, 8401 Muirkirk Road, Laurel, MD 20708, USA
| | - Thomas S Hammack
- Division of Microbiology, Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, 5001 Campus Drive, College Park, MD 20740, USA
| | - Beilei Ge
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine, U.S. Food and Drug Administration, 8401 Muirkirk Road, Laurel, MD 20708, USA.
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Castro VS, Carvalho RCT, Conte-Junior CA, Figuiredo EES. Shiga-toxin ProducingEscherichia coli: Pathogenicity, Supershedding, Diagnostic Methods, Occurrence, and Foodborne Outbreaks. Compr Rev Food Sci Food Saf 2017; 16:1269-1280. [DOI: 10.1111/1541-4337.12302] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 08/09/2017] [Accepted: 08/11/2017] [Indexed: 12/14/2022]
Affiliation(s)
- Vinicius Silva Castro
- Animal Science Program, Faculdade de Agronomia e Zootecnia; Univ. Federal de Mato Grosso; 78060-900 Mato Grosso Brazil
- Natl. Inst. of Health Quality Control; Fundação Oswaldo Cruz; Rio de Janeiro 21040-900 Rio de Janeiro Brazil
| | - Ricardo César Tavares Carvalho
- Nutrition, Food and Metabolism Program, Faculdade de Nutrição; Univ. Federal de Mato Grosso; 78060-900 Mato Grosso Brazil
| | - Carlos Adam Conte-Junior
- Dept. of Food Technology, Faculdade de Veterinária; Univ. Federal Fluminense; 24230-340 Rio de Janeiro Brazil
- Food Science Program, Inst. de Química; Univ. Federal do Rio de Janeiro; 21941-909 Rio de Janeiro Brazil
- Natl. Inst. of Health Quality Control; Fundação Oswaldo Cruz; Rio de Janeiro 21040-900 Rio de Janeiro Brazil
| | - Eduardo Eustáquio Souza Figuiredo
- Animal Science Program, Faculdade de Agronomia e Zootecnia; Univ. Federal de Mato Grosso; 78060-900 Mato Grosso Brazil
- Nutrition, Food and Metabolism Program, Faculdade de Nutrição; Univ. Federal de Mato Grosso; 78060-900 Mato Grosso Brazil
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Pandey P, Cao W, Wang Y, Vaddella V. Predicting Salmonella Typhimurium reductions in poultry ground carcasses. Poult Sci 2016; 95:2640-2646. [PMID: 27466432 DOI: 10.3382/ps/pew242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/13/2016] [Indexed: 11/20/2022] Open
Abstract
To improve understanding of Salmonella Typhimurium LT2 inactivation in ground poultry carcasses, a series of experiments were carried out at multiple temperatures. Subsequently, a non-linear model was developed to predict Salmonella inactivation at composting and low rendering temperatures. The Salmonella inactivation study was conducted using bench-top experiments at 38, 48, 55, 62.5, 70, and 78°C in mixed and non-mixed reactors using ground poultry carcasses as a feedstock. Subsequently, these observations were used for developing a non-linear model. The model predictions were compared with the observations of a different set of experiments. The comparisons among predictions and observations showed that the model predictions are reasonable and can be useful to determine the time required for Salmonella inactivation in poultry carcasses at multiple temperatures. Results showed that at composting conditions, when temperature varies between 48 and 62.5°C, Salmonella survival can prolong between 10,000 and 25,000 min (7 to 17 d). If ambient temperature is maintained at low temperature rendering range (70 to 78°C), then Salmonella survival can last for 90 to 120 minutes. We anticipate that this study will help in improving the existing understanding of Salmonella survival in poultry carcasses.
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Affiliation(s)
- P Pandey
- Department of Population Health and Reproduction, School of Veterinary Medicine Extension, University of California, Davis Division of Agriculture and Natural Resources, University of California Cooperative Extension, Davis
| | - W Cao
- Department of Population Health and Reproduction, School of Veterinary Medicine Extension, University of California, Davis Department of Biological and Agricultural Engineering, University of California, Davis
| | - Y Wang
- Department of Population Health and Reproduction, School of Veterinary Medicine Extension, University of California, Davis Department of Biological and Agricultural Engineering, University of California, Davis
| | - V Vaddella
- Department of Population Health and Reproduction, School of Veterinary Medicine Extension, University of California, Davis
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Yang Q, Domesle KJ, Wang F, Ge B. Rapid detection of Salmonella in food and feed by coupling loop-mediated isothermal amplification with bioluminescent assay in real-time. BMC Microbiol 2016; 16:112. [PMID: 27316515 PMCID: PMC4912795 DOI: 10.1186/s12866-016-0730-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 06/06/2016] [Indexed: 11/15/2022] Open
Abstract
Background Salmonella is among the most significant pathogens causing food and feed safety concerns. This study examined the rapid detection of Salmonella in various types of food and feed samples by coupling loop-mediated isothermal amplification (LAMP) with a novel reporter, bioluminescent assay in real-time (BART). Performance of the LAMP-BART assay was compared to a conventional LAMP and the commercially available 3M Molecular Detection Assay (MDA) Salmonella. Results The LAMP-BART assay was 100 % specific among 178 strains (151 Salmonella and 27 non-Salmonella) tested. The detection limits were 36 cells per reaction in pure culture and 104 to 106 CFU per 25 g in spiked food and feed samples without enrichment, which were comparable to those of the conventional LAMP and 3M MDA Salmonella but 5–10 min faster. Ground turkey showed a strong inhibition on 3M MDA Salmonella, requiring at least 108 CFU per 25 g for detection. The correlation between Salmonella cell numbers and LAMP-BART signals was high (R2 = 0.941–0.962), suggesting good quantification capability. After 24 h enrichment, all three assays accurately detected 1 to 3 CFU per 25 g of Salmonella among five types of food (cantaloupe, ground beef, ground turkey, shell eggs, and tomato) and three types of feed (cattle feed, chicken feed, and dry dog food) examined. However, 101 CFU per 25 g was required for cattle feed when tested by 3M MDA Salmonella. Conclusions The Salmonella LAMP-BART assay was rapid, specific, sensitive, quantitative, and robust. Upon further validation, it may become a valuable tool for routine screening of Salmonella in various types of food and feed samples.
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Affiliation(s)
- Qianru Yang
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, 20708, USA.,Department of Food Science, Louisiana State University Agricultural Center, Baton Rouge, LA, 70803, USA
| | - Kelly J Domesle
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, 20708, USA
| | - Fei Wang
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, 20708, USA.,Department of Nutrition and Food Science, University of Maryland, College Park, MD, 20742, USA
| | - Beilei Ge
- Division of Animal and Food Microbiology, Office of Research, Center for Veterinary Medicine, U.S. Food and Drug Administration, Laurel, MD, 20708, USA.
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14
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Law JWF, Ab Mutalib NS, Chan KG, Lee LH. Rapid methods for the detection of foodborne bacterial pathogens: principles, applications, advantages and limitations. Front Microbiol 2015. [PMID: 25628612 DOI: 10.3389/fmicb.2014.00770.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The incidence of foodborne diseases has increased over the years and resulted in major public health problem globally. Foodborne pathogens can be found in various foods and it is important to detect foodborne pathogens to provide safe food supply and to prevent foodborne diseases. The conventional methods used to detect foodborne pathogen are time consuming and laborious. Hence, a variety of methods have been developed for rapid detection of foodborne pathogens as it is required in many food analyses. Rapid detection methods can be categorized into nucleic acid-based, biosensor-based and immunological-based methods. This review emphasizes on the principles and application of recent rapid methods for the detection of foodborne bacterial pathogens. Detection methods included are simple polymerase chain reaction (PCR), multiplex PCR, real-time PCR, nucleic acid sequence-based amplification (NASBA), loop-mediated isothermal amplification (LAMP) and oligonucleotide DNA microarray which classified as nucleic acid-based methods; optical, electrochemical and mass-based biosensors which classified as biosensor-based methods; enzyme-linked immunosorbent assay (ELISA) and lateral flow immunoassay which classified as immunological-based methods. In general, rapid detection methods are generally time-efficient, sensitive, specific and labor-saving. The developments of rapid detection methods are vital in prevention and treatment of foodborne diseases.
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Affiliation(s)
- Jodi Woan-Fei Law
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia Selangor Darul Ehsan, Malaysia ; School of Science, Monash University Malaysia Selangor Darul Ehsan, Malaysia
| | - Nurul-Syakima Ab Mutalib
- UKM Medical Molecular Biology Institute (UMBI), UKM Medical Centre, Bandar Tun Razak Kuala Lumpur, Malaysia
| | - Kok-Gan Chan
- Division of Genetics and Molecular Biology, Institute of Biological Sciences, Faculty of Science, University of Malaya Kuala Lumpur, Malaysia
| | - Learn-Han Lee
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia Selangor Darul Ehsan, Malaysia
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15
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Law JWF, Ab Mutalib NS, Chan KG, Lee LH. Rapid methods for the detection of foodborne bacterial pathogens: principles, applications, advantages and limitations. Front Microbiol 2015; 5:770. [PMID: 25628612 PMCID: PMC4290631 DOI: 10.3389/fmicb.2014.00770] [Citation(s) in RCA: 512] [Impact Index Per Article: 56.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 12/17/2014] [Indexed: 12/11/2022] Open
Abstract
The incidence of foodborne diseases has increased over the years and resulted in major public health problem globally. Foodborne pathogens can be found in various foods and it is important to detect foodborne pathogens to provide safe food supply and to prevent foodborne diseases. The conventional methods used to detect foodborne pathogen are time consuming and laborious. Hence, a variety of methods have been developed for rapid detection of foodborne pathogens as it is required in many food analyses. Rapid detection methods can be categorized into nucleic acid-based, biosensor-based and immunological-based methods. This review emphasizes on the principles and application of recent rapid methods for the detection of foodborne bacterial pathogens. Detection methods included are simple polymerase chain reaction (PCR), multiplex PCR, real-time PCR, nucleic acid sequence-based amplification (NASBA), loop-mediated isothermal amplification (LAMP) and oligonucleotide DNA microarray which classified as nucleic acid-based methods; optical, electrochemical and mass-based biosensors which classified as biosensor-based methods; enzyme-linked immunosorbent assay (ELISA) and lateral flow immunoassay which classified as immunological-based methods. In general, rapid detection methods are generally time-efficient, sensitive, specific and labor-saving. The developments of rapid detection methods are vital in prevention and treatment of foodborne diseases.
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Affiliation(s)
- Jodi Woan-Fei Law
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University MalaysiaSelangor Darul Ehsan, Malaysia
- School of Science, Monash University MalaysiaSelangor Darul Ehsan, Malaysia
| | - Nurul-Syakima Ab Mutalib
- UKM Medical Molecular Biology Institute (UMBI), UKM Medical Centre, Bandar Tun RazakKuala Lumpur, Malaysia
| | - Kok-Gan Chan
- Division of Genetics and Molecular Biology, Institute of Biological Sciences, Faculty of Science, University of MalayaKuala Lumpur, Malaysia
| | - Learn-Han Lee
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University MalaysiaSelangor Darul Ehsan, Malaysia
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16
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Handley JA, Shi Z, Park SH, Dawoud TM, Kwon YM, Ricke SC. Salmonella and the Potential Role for Methods to Develop Microbial Process Indicators on Chicken Carcasses. Food Saf (Tokyo) 2015. [DOI: 10.1016/b978-0-12-800245-2.00006-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Application of Molecular Approaches for Understanding Foodborne Salmonella Establishment in Poultry Production. ACTA ACUST UNITED AC 2014. [DOI: 10.1155/2014/813275] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Salmonellosis in the United States is one of the most costly foodborne diseases. Given that Salmonella can originate from a wide variety of environments, reduction of this organism at all stages of poultry production is critical. Salmonella species can encounter various environmental stress conditions which can dramatically influence their survival and colonization. Current knowledge of Salmonella species metabolism and physiology in relation to colonization is traditionally based on studies conducted primarily with tissue culture and animal infection models. Consequently, while there is some information about environmental signals that control Salmonella growth and colonization, much still remains unknown. Genetic tools for comprehensive functional genomic analysis of Salmonella offer new opportunities for not only achieving a better understanding of Salmonella pathogens but also designing more effective intervention strategies. Now the function(s) of each single gene in the Salmonella genome can be directly assessed and previously unknown genetic factors that are required for Salmonella growth and survival in the poultry production cycle can be elucidated. In particular, delineating the host-pathogen relationships involving Salmonella is becoming very helpful for identifying optimal targeted gene mutagenesis strategies to generate improved vaccine strains. This represents an opportunity for development of novel vaccine approaches for limiting Salmonella establishment in early phases of poultry production. In this review, an overview of Salmonella issues in poultry, a general description of functional genomic technologies, and their specific application to poultry vaccine developments are discussed.
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Amalia U, Dewanti-Hariyadi R, Poernomo A. RAPID DETECTION OF Salmonella IN SHRIMP BY POLYMERASE CHAIN REACTION. JURNAL TEKNOLOGI DAN INDUSTRI PANGAN 2014. [DOI: 10.6066/jtip.2014.25.1.78] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Park SH, Aydin M, Khatiwara A, Dolan MC, Gilmore DF, Bouldin JL, Ahn S, Ricke SC. Current and emerging technologies for rapid detection and characterization of Salmonella in poultry and poultry products. Food Microbiol 2014; 38:250-62. [DOI: 10.1016/j.fm.2013.10.002] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Revised: 07/28/2013] [Accepted: 10/04/2013] [Indexed: 12/19/2022]
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Schelin J, Andersson G, Vigre H, Norling B, Häggblom P, Hoorfar J, Rådström P, Löfström C. Evaluation of pre-PCR processing approaches for enumeration of Salmonella enterica
in naturally contaminated animal feed. J Appl Microbiol 2013; 116:167-78. [DOI: 10.1111/jam.12337] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Revised: 08/09/2013] [Accepted: 08/27/2013] [Indexed: 11/29/2022]
Affiliation(s)
- J. Schelin
- Applied Microbiology; Department of Chemistry; Lund University; Lund Sweden
| | - G. Andersson
- Department of Chemistry; Environment and Feed hygiene; National Veterinary Institute (SVA); Uppsala Sweden
| | - H. Vigre
- National Food Institute; Technical University of Denmark; Søborg Denmark
| | - B. Norling
- Quintessence Research AB (QRAB); Alunda Sweden
| | - P. Häggblom
- Department of Chemistry; Environment and Feed hygiene; National Veterinary Institute (SVA); Uppsala Sweden
| | - J. Hoorfar
- National Food Institute; Technical University of Denmark; Søborg Denmark
| | - P. Rådström
- Applied Microbiology; Department of Chemistry; Lund University; Lund Sweden
| | - C. Löfström
- National Food Institute; Technical University of Denmark; Søborg Denmark
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Ricke SC, Khatiwara A, Kwon YM. Application of microarray analysis of foodborne Salmonella in poultry production: A review. Poult Sci 2013; 92:2243-50. [DOI: 10.3382/ps.2012-02740] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Aptasensor and genosensor methods for detection of microbes in real world samples. Methods 2013; 64:229-40. [PMID: 23872322 DOI: 10.1016/j.ymeth.2013.07.001] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Revised: 07/04/2013] [Accepted: 07/05/2013] [Indexed: 12/31/2022] Open
Abstract
The increasing concerns about food and environmental safety have prompted the desire to develop rapid, specific, robust and highly sensitive methods for the detection of microorganisms to ensure public health. Although traditional microbiological methods are available, they are labor intensive, unsuitable for on-site and high throughput analysis, and need well-trained personnel. To circumvent these drawbacks, many efforts have been devoted towards the development of biosensors, using nucleic acid as bio-recognition element. In this review, we will focus on recent significant advances made in two types of DNA-based biosensors, namely genosensors, and aptasensors. In genosensor approach, DNA or RNA target is detected through the hybridization reaction between DNA or RNA and ssDNA sensing element, while in aptasensor method, DNA or RNA aptamer, capable of binding to a target molecule with high affinity and specificity, plays the role of receptor. The goal of this article is to review the innovative methods that have been emerged in genosensor and aptasensor during recent years. Particular attention is given to recent advances and trends in selection of biorecognition element, DNA immobilization strategies and sensing formats.
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Saeki EK, Alves J, Bonfante RC, Hirooka EY, de Oliveira TCRM. Multiplex PCR (mPCR) for the Detection of Salmonella
spp. and the Differentiation of the Typhimurium and Enteritidis Serovars in Chicken Meat. J Food Saf 2012. [DOI: 10.1111/jfs.12019] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Erika Kushikawa Saeki
- Department of Food Science and Technology; State University of Londrina; Rodovia Celso Garcia Cid, PR 445, Km 380, Campus Universitário, Caixa Postal 6001 CEP: 86051-990 Londrina Paraná Brasil
| | - Juliane Alves
- Department of Food Science and Technology; State University of Londrina; Rodovia Celso Garcia Cid, PR 445, Km 380, Campus Universitário, Caixa Postal 6001 CEP: 86051-990 Londrina Paraná Brasil
| | - Raissa Curti Bonfante
- Department of Food Science and Technology; State University of Londrina; Rodovia Celso Garcia Cid, PR 445, Km 380, Campus Universitário, Caixa Postal 6001 CEP: 86051-990 Londrina Paraná Brasil
| | - Elisa Yoko Hirooka
- Department of Food Science and Technology; State University of Londrina; Rodovia Celso Garcia Cid, PR 445, Km 380, Campus Universitário, Caixa Postal 6001 CEP: 86051-990 Londrina Paraná Brasil
| | - Tereza Cristina Rocha Moreira de Oliveira
- Department of Food Science and Technology; State University of Londrina; Rodovia Celso Garcia Cid, PR 445, Km 380, Campus Universitário, Caixa Postal 6001 CEP: 86051-990 Londrina Paraná Brasil
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Löfström C, Hoorfar J. Validation of an open-formula, diagnostic real-time PCR method for 20-h detection of Salmonella in animal feeds. Vet Microbiol 2012; 158:431-5. [PMID: 22437008 DOI: 10.1016/j.vetmic.2012.02.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Revised: 02/14/2012] [Accepted: 02/17/2012] [Indexed: 11/17/2022]
Abstract
A comparative study of a 20-h, non-commercial, open-formula PCR method and the standard culture-based method NMKL 187, for detection of Salmonella, was performed according to the validation protocol from the Nordic organisation for validation of alternative microbiological methods (NordVal) on 81 artificially or naturally contaminated animal feed samples. The PCR method is based on culture enrichment in buffered peptone water for 16 ± 2 h followed by a magnetic beads based semi automated DNA extraction and real-time PCR analysis, including an internal amplification control. The limit of detection (LOD50) was found to be 7.19 and 7.24 CFU/sample for the PCR method and NMKL187, respectively. A very good correlation between results obtained by the two methods was found (Cohen's kappa=0.92). The relative accuracy, relative sensitivity and relative specificity were found to be 97.5%, 102.0% and 96.6%, respectively. This method is the fastest open PCR based analysis protocol for detection of Salmonella in feed samples. Implementing rapid methods such as the one validated in this study can speed up Salmonella testing of feed for food-producing animals.
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Affiliation(s)
- Charlotta Löfström
- National Food Institute, Technical University of Denmark, Mørkhøj Bygade 19, 2860 Søborg, Denmark.
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Park SH, Jarquin R, Hanning I, Almeida G, Ricke SC. Detection of Salmonella spp. survival and virulence in poultry feed by targeting the hilA gene. J Appl Microbiol 2011; 111:426-32. [PMID: 21575113 DOI: 10.1111/j.1365-2672.2011.05054.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
AIMS The objectives of this work were to evaluate immunomagnetic beads and a reverse transcriptase (RT)-PCR method for the detection of Salmonella inoculated into feed. In addition, a reverse transcriptase (RT)-PCR method was evaluated for quantifying virulence gene hilA expression of Salmonella ssp. in poultry feed matrices and utilized to determine the influence of poultry feed environmental factors on Salmonella hilA expression. METHODS AND RESULTS An immunomagnetic separation technique was evaluated for increased recovery of Salmonella from feed. Salmonella cultures were inoculated into feed samples and exposed to heat treatments of 70°C and sampled periodically. From these samples, RNA was collected and hilA gene expression was measured relative to the housekeeping 16S rRNA gene. The immunomagnetic bead protocol increased recovery by 1 log. The up-regulation of hilA was demonstrated after 5 and 10 min of inoculated feed samples being exposed to heat treatment. CONCLUSIONS From this work, the data indicate that the ability to detect live Salmonella cells in feed samples may be increased by targeting the hilA gene. SIGNIFICANCE AND IMPACT OF THE STUDY Foodborne salmonellosis originating from poultry is a major problem, and feed is a leading source of contamination in poultry, but detection in feed is complicated by low concentrations. The assays and experiments in this study examine possible improvements to recovery and detection of Salmonella in feed.
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Affiliation(s)
- S H Park
- Center for Food Safety - Department of Food Science, University of Arkansas, Fayetteville, AR, USA
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Silva DSP, Canato T, Magnani M, Alves J, Hirooka EY, de Oliveira TCRM. Multiplex PCR for the simultaneous detection of Salmonella spp. and Salmonella Enteritidis in food. Int J Food Sci Technol 2011. [DOI: 10.1111/j.1365-2621.2011.02646.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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McCabe EM, Burgess CM, Walsh D, O'Regan E, McGuinness S, Barry T, Fanning S, Duffy G. Validation of DNA and RNA real-time assays for food analysis using the hilA gene of Salmonella enterica serovars. J Microbiol Methods 2011; 84:19-26. [DOI: 10.1016/j.mimet.2010.10.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2010] [Revised: 09/24/2010] [Accepted: 10/06/2010] [Indexed: 10/18/2022]
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Anderson P, Hume M, Byrd J, Hernandez C, Stevens S, Stringfellow K, Caldwell D. Evaluation of repetitive extragenic palindromic-polymerase chain reaction and denatured gradient gel electrophoresis in identifying Salmonella serotypes isolated from processed turkeys. Poult Sci 2010; 89:1293-300. [DOI: 10.3382/ps.2009-00390] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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29
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Validation of a Duplex Real-Time PCR for the Detection of Salmonella spp. in Different Food Products. FOOD ANAL METHOD 2010. [DOI: 10.1007/s12161-010-9142-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Germini A, Masola A, Carnevali P, Marchelli R. Simultaneous detection of Escherichia coli O175:H7, Salmonella spp., and Listeria monocytogenes by multiplex PCR. Food Control 2009. [DOI: 10.1016/j.foodcont.2008.09.010] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Polymerase Chain Reaction for the Rapid Detection and Serovar Identification of Salmonella in Food and Feeding Stuff. FOOD ANAL METHOD 2008. [DOI: 10.1007/s12161-008-9057-9] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Microbiological risk assessment in feedingstuffs for food‐producing animals ‐ Scientific Opinion of the Panel on Biological Hazards. EFSA J 2008; 6:720. [DOI: 10.2903/j.efsa.2008.720] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Rapid, sensitive, and validated method for detection of Salmonella in food by an enrichment broth culture – Nested PCR combination assay. Mol Cell Probes 2008; 22:201-6. [DOI: 10.1016/j.mcp.2008.02.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2007] [Revised: 02/11/2008] [Accepted: 02/15/2008] [Indexed: 01/10/2023]
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